When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）

A、maintain higher than normal jacket water temperature

B、change the lube oil more frequently than normal

C、maintain a higher air-box temperature than normal

D、maintain a higher air-box pressure than normal

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更多“When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）”相关的问题

第1题

[单选题] When restarting a heavy fuel diesel engine that has been stopped for some time, the engine should（）

A、increase the starting air pressure B、use a higher than normal cranking speed C、increase the fuel injection pressure D、use a fuel having a lower ignition temperature

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第2题

[单选题] When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.

A、filter to remove the fuel oil B、use the settler to remove the fuel oil C、remove the fuel oil by centrifuging D、drain and then renew the lube oil supply

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第3题

[] When monitoring diesel engine performance, the most useful instrument to use is the （）

A、A.dwell-tachometer B、B.exhaust gas pyrometer C、C.fuel flow rate mete D、D.exhaust gas analyzer

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第4题

[单选题] When fighting a spreading fire resulting from a broken fuel line, you should FIRST （）.

A、look for a CO₂ extinguisher B、use a soda acid extinguisher C、shut off the fuel supply D、smother the fire with rags

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第5题

[单选题] The common rail engines show great advantages in combustion especially（）.

A、at high speed and full load B、at low speed and part load C、when heavy fuel oil is used at sea D、when the ships run long distance

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第6题

[单选题] Which of the following problems may occur when using fuel oil with a high sulphur content?（）

A、Injection lag B、Lube oil dilution C、Pre-ignition D、Corrosion

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第7题

[多选题] You develop a Web application that writes data to a file on a server. You restrict access to the file to specific Windows users. The Web application runs as CONTOSO\ASPNET. You deny anonymous access to the application in IIS. You add the following XML segment in the Web.config file.You need to ensure that the application meets the following requirements:It must impersonate the user when it writes data to the file.It must run as CONTOSO\ASPNET when a user does not access the file. Which two actions should you perform? （）

A、Use the following XML segment in the Web.config file. <identity impersonate="false"/> B、Use the following XML segment in the Web.config file. <identity impersonate="true"/> C、Use the following code segment to access the file. Dim wp As WindowsPrincipal = _CType(HttpContext.Current.User, WindowsPrincipal) Dim wi As WindowsIdentity = WindowsIdentity.GetCurrent() Dim wic As WindowsImpersonationContext = wi.Impersonate()' Access the file herewic.Undo() D、Use the following code segment to access the file. Dim wi As WindowsIdentity = WindowsIdentity.GetCurrent()Dim wic As WindowsImpersonationContext = _WindowsIdentity.Impersonate(wi.Token)' Access the file herewic.Undo()

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第8题

[单选题] The amount of expansion space to be left in a fuel tank when fuel oil is being received, is determined by the （）.

A、quantity of fuel to be received B、flash point of the fuel as it is received C、fuel temperature as it is received D、viscosity of the fuel being received

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第9题

[单选题] When fuel is injected late into a diesel engine cylinder,（）.

A、the exhaust will be clear B、fuel consumption will be low C、all the fuel will be burned at top dead center D、fuel consumption will be high